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Silver rectangular server PSU with handle and vented grille

DELL

DELL 750W Redundant Server Power Supply PowerEdge R520 5NF18

SKU CH-ANBJ-MXYPR

A 750 watt redundant server power supply compatible with the Dell PowerEdge R520

  • Weight5.0000LBS
  • 750 W output powers the PowerEdge R520
  • Redundant design keeps the server running if one unit fails
  • Compatible with Dell PowerEdge R520 servers
  • New condition, ready for immediate deployment
  • 5 lb unit weight fits standard server bays

Dell 750W Redundant Server PSU

This Dell 750W redundant power supply is built for the PowerEdge R520 server. It delivers 750W of output to keep the system running when one module fails. The unit suits administrators who need continuous uptime in a 2U rack chassis. Buyers who want a single non-redundant PSU or a different form factor should look elsewhere.

Thermals noise and power draw

The redundant design shares the load between modules, so each runs cooler than a single 750W unit would. Fan speed ramps with server thermal sensors, keeping noise proportional to actual load. The supply draws only the power the R520 components require, up to the 750W rating. No standalone acoustic or efficiency figures are provided by the manufacturer.

Build integration and freed resources

The module slides into the R520 hot-plug bay without cables, freeing internal space for drives or expansion cards. Redundancy removes the need for an external UPS to cover a single PSU failure. The 5.0000LBS weight is supported by the chassis rails, so no extra bracket is required. Builders using non-Dell racks must verify bay compatibility themselves.

Highlights

  • 750 W output powers the PowerEdge R520
  • Redundant design keeps the server running if one unit fails
  • Compatible with Dell PowerEdge R520 servers
  • New condition, ready for immediate deployment
  • 5 lb unit weight fits standard server bays

Specifications

BrandDELL
Model641329915622
Weight5.0000LBS

Questions about this item

How is the 750W redundant power supply installed in the PowerEdge R520, and what step is commonly missed?

Slide the unit into the hot-plug bay until the latch clicks, then secure the thumb-screw; the step often missed is fully tightening that screw to lock the supply in place.

What maintenance or replacement will the 750W redundant supply need later?

The internal cooling fan is the primary wear item; plan to replace the fan assembly when noise increases or airflow drops.

What limit appears first on the 750W unit under sustained load?

Thermal protection engages first if inlet temperature rises or airflow is restricted, causing the supply to throttle or shut down.

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